package main

import "fmt"

func main()  {
	var a int = 0
	var b int = 0
	OUTER:for a < 20 {
		a++
		for b < 15  {
			b++
			if b == 5{
				continue OUTER
			}
			fmt.Printf("b:%d\n",b)
		}
		fmt.Printf("a:%d\n",a)
	}

}
